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Pyridine → ethyl 3-methyl-1-(2-pyridyl)-1H-pyrazole-4-carboxylate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Pyridine | HCID 1049 | — |
| 反応物 | 2-Hydrazinopyridine | HCID 78645 | — |
| 反応物 | Ethyl 2-formyl-3-oxobutanoate | HCID 14817199 | — |
| 溶媒 | Ethanol | HCID 702 | — |
| 生成物 | ethyl 3-methyl-1-(2-pyridyl)-1H-pyrazole-4-carboxylate | HCID 9877977 | — |
反応手順
Similar to Example 1, equimolar amounts of 2-pyridylhydrazine and 2-formyl-3-oxo-butyric acid ethyl ester were combined in a solution of 50% pyridine in ethanol. Analysis showed that the resulting solid was determined to be the named product (m.p. 49° C.–50° C.).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07087634B2 |
| 出典データセット | uspto-grants-2006_08 |
| ORD ID | ord-d784be3dc1194f6b9ccfbea658a1aa5c |
| 出典メモ | uspto-grants-2006_08 |